Chapter 12 Monopolistic Competition and Oligopoly Chapter Outline Monopolistic Competition ·Oligopoly(寡头垄断) ·Price Competition Competition versus Collusion:The Prisoners' Dilemma for Oligopolistic Pricing 。Cartels Chapter 12 Monopolistic Competition and Oligopoly Chapter Outline • Monopolistic Competition • Oligopoly (寡头垄断) • Price Competition • Competition versus Collusion: The Prisoners’ Dilemma for Oligopolistic Pricing • Cartels